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diff --git a/src/lib/libcrypto/engine/hw_ubsec.c b/src/lib/libcrypto/engine/hw_ubsec.c
new file mode 100644
index 0000000000..5234a08a07
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+++ b/src/lib/libcrypto/engine/hw_ubsec.c
@@ -0,0 +1,1060 @@
1/* crypto/engine/hw_ubsec.c */
2/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
3 * project 2000.
4 *
5 * Cloned shamelessly by Joe Tardo.
6 */
7/* ====================================================================
8 * Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 *
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in
19 * the documentation and/or other materials provided with the
20 * distribution.
21 *
22 * 3. All advertising materials mentioning features or use of this
23 * software must display the following acknowledgment:
24 * "This product includes software developed by the OpenSSL Project
25 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 *
27 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
28 * endorse or promote products derived from this software without
29 * prior written permission. For written permission, please contact
30 * licensing@OpenSSL.org.
31 *
32 * 5. Products derived from this software may not be called "OpenSSL"
33 * nor may "OpenSSL" appear in their names without prior written
34 * permission of the OpenSSL Project.
35 *
36 * 6. Redistributions of any form whatsoever must retain the following
37 * acknowledgment:
38 * "This product includes software developed by the OpenSSL Project
39 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
42 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
44 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
47 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
48 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
50 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
51 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
52 * OF THE POSSIBILITY OF SUCH DAMAGE.
53 * ====================================================================
54 *
55 * This product includes cryptographic software written by Eric Young
56 * (eay@cryptsoft.com). This product includes software written by Tim
57 * Hudson (tjh@cryptsoft.com).
58 *
59 */
60
61#include <stdio.h>
62#include <openssl/crypto.h>
63#include "cryptlib.h"
64#include <openssl/dso.h>
65#include <openssl/engine.h>
66
67#ifndef OPENSSL_NO_HW
68#ifndef OPENSSL_NO_HW_UBSEC
69
70#ifdef FLAT_INC
71#include "hw_ubsec.h"
72#else
73#include "vendor_defns/hw_ubsec.h"
74#endif
75
76#define UBSEC_LIB_NAME "ubsec engine"
77#include "hw_ubsec_err.c"
78
79#define FAIL_TO_SOFTWARE -15
80
81static int ubsec_destroy(ENGINE *e);
82static int ubsec_init(ENGINE *e);
83static int ubsec_finish(ENGINE *e);
84static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
85static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
86 const BIGNUM *m, BN_CTX *ctx);
87static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
88 const BIGNUM *q, const BIGNUM *dp,
89 const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx);
90#ifndef OPENSSL_NO_RSA
91static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
92#endif
93static int ubsec_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
94 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
95#ifndef OPENSSL_NO_DSA
96#ifdef NOT_USED
97static int ubsec_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
98 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
99 BN_CTX *ctx, BN_MONT_CTX *in_mont);
100static int ubsec_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
101 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
102 BN_MONT_CTX *m_ctx);
103#endif
104static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
105static int ubsec_dsa_verify(const unsigned char *dgst, int dgst_len,
106 DSA_SIG *sig, DSA *dsa);
107#endif
108#ifndef OPENSSL_NO_DH
109static int ubsec_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
110 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
111 BN_MONT_CTX *m_ctx);
112static int ubsec_dh_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh);
113static int ubsec_dh_generate_key(DH *dh);
114#endif
115
116#ifdef NOT_USED
117static int ubsec_rand_bytes(unsigned char *buf, int num);
118static int ubsec_rand_status(void);
119#endif
120
121#define UBSEC_CMD_SO_PATH ENGINE_CMD_BASE
122static const ENGINE_CMD_DEFN ubsec_cmd_defns[] = {
123 {UBSEC_CMD_SO_PATH,
124 "SO_PATH",
125 "Specifies the path to the 'ubsec' shared library",
126 ENGINE_CMD_FLAG_STRING},
127 {0, NULL, NULL, 0}
128 };
129
130#ifndef OPENSSL_NO_RSA
131/* Our internal RSA_METHOD that we provide pointers to */
132static RSA_METHOD ubsec_rsa =
133 {
134 "UBSEC RSA method",
135 NULL,
136 NULL,
137 NULL,
138 NULL,
139 ubsec_rsa_mod_exp,
140 ubsec_mod_exp_mont,
141 NULL,
142 NULL,
143 0,
144 NULL,
145 NULL,
146 NULL
147 };
148#endif
149
150#ifndef OPENSSL_NO_DSA
151/* Our internal DSA_METHOD that we provide pointers to */
152static DSA_METHOD ubsec_dsa =
153 {
154 "UBSEC DSA method",
155 ubsec_dsa_do_sign, /* dsa_do_sign */
156 NULL, /* dsa_sign_setup */
157 ubsec_dsa_verify, /* dsa_do_verify */
158 NULL, /* ubsec_dsa_mod_exp */ /* dsa_mod_exp */
159 NULL, /* ubsec_mod_exp_dsa */ /* bn_mod_exp */
160 NULL, /* init */
161 NULL, /* finish */
162 0, /* flags */
163 NULL /* app_data */
164 };
165#endif
166
167#ifndef OPENSSL_NO_DH
168/* Our internal DH_METHOD that we provide pointers to */
169static DH_METHOD ubsec_dh =
170 {
171 "UBSEC DH method",
172 ubsec_dh_generate_key,
173 ubsec_dh_compute_key,
174 ubsec_mod_exp_dh,
175 NULL,
176 NULL,
177 0,
178 NULL
179 };
180#endif
181
182/* Constants used when creating the ENGINE */
183static const char *engine_ubsec_id = "ubsec";
184static const char *engine_ubsec_name = "UBSEC hardware engine support";
185
186/* This internal function is used by ENGINE_ubsec() and possibly by the
187 * "dynamic" ENGINE support too */
188static int bind_helper(ENGINE *e)
189 {
190#ifndef OPENSSL_NO_RSA
191 const RSA_METHOD *meth1;
192#endif
193#ifndef OPENSSL_NO_DH
194#ifndef HAVE_UBSEC_DH
195 const DH_METHOD *meth3;
196#endif /* HAVE_UBSEC_DH */
197#endif
198 if(!ENGINE_set_id(e, engine_ubsec_id) ||
199 !ENGINE_set_name(e, engine_ubsec_name) ||
200#ifndef OPENSSL_NO_RSA
201 !ENGINE_set_RSA(e, &ubsec_rsa) ||
202#endif
203#ifndef OPENSSL_NO_DSA
204 !ENGINE_set_DSA(e, &ubsec_dsa) ||
205#endif
206#ifndef OPENSSL_NO_DH
207 !ENGINE_set_DH(e, &ubsec_dh) ||
208#endif
209 !ENGINE_set_destroy_function(e, ubsec_destroy) ||
210 !ENGINE_set_init_function(e, ubsec_init) ||
211 !ENGINE_set_finish_function(e, ubsec_finish) ||
212 !ENGINE_set_ctrl_function(e, ubsec_ctrl) ||
213 !ENGINE_set_cmd_defns(e, ubsec_cmd_defns))
214 return 0;
215
216#ifndef OPENSSL_NO_RSA
217 /* We know that the "PKCS1_SSLeay()" functions hook properly
218 * to the Broadcom-specific mod_exp and mod_exp_crt so we use
219 * those functions. NB: We don't use ENGINE_openssl() or
220 * anything "more generic" because something like the RSAref
221 * code may not hook properly, and if you own one of these
222 * cards then you have the right to do RSA operations on it
223 * anyway! */
224 meth1 = RSA_PKCS1_SSLeay();
225 ubsec_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
226 ubsec_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
227 ubsec_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
228 ubsec_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
229#endif
230
231#ifndef OPENSSL_NO_DH
232#ifndef HAVE_UBSEC_DH
233 /* Much the same for Diffie-Hellman */
234 meth3 = DH_OpenSSL();
235 ubsec_dh.generate_key = meth3->generate_key;
236 ubsec_dh.compute_key = meth3->compute_key;
237#endif /* HAVE_UBSEC_DH */
238#endif
239
240 /* Ensure the ubsec error handling is set up */
241 ERR_load_UBSEC_strings();
242 return 1;
243 }
244
245#ifndef ENGINE_DYNAMIC_SUPPORT
246static ENGINE *engine_ubsec(void)
247 {
248 ENGINE *ret = ENGINE_new();
249 if(!ret)
250 return NULL;
251 if(!bind_helper(ret))
252 {
253 ENGINE_free(ret);
254 return NULL;
255 }
256 return ret;
257 }
258
259void ENGINE_load_ubsec(void)
260 {
261 /* Copied from eng_[openssl|dyn].c */
262 ENGINE *toadd = engine_ubsec();
263 if(!toadd) return;
264 ENGINE_add(toadd);
265 ENGINE_free(toadd);
266 ERR_clear_error();
267 }
268#endif
269
270/* This is a process-global DSO handle used for loading and unloading
271 * the UBSEC library. NB: This is only set (or unset) during an
272 * init() or finish() call (reference counts permitting) and they're
273 * operating with global locks, so this should be thread-safe
274 * implicitly. */
275
276static DSO *ubsec_dso = NULL;
277
278/* These are the function pointers that are (un)set when the library has
279 * successfully (un)loaded. */
280
281static t_UBSEC_ubsec_bytes_to_bits *p_UBSEC_ubsec_bytes_to_bits = NULL;
282static t_UBSEC_ubsec_bits_to_bytes *p_UBSEC_ubsec_bits_to_bytes = NULL;
283static t_UBSEC_ubsec_open *p_UBSEC_ubsec_open = NULL;
284static t_UBSEC_ubsec_close *p_UBSEC_ubsec_close = NULL;
285#ifndef OPENSSL_NO_DH
286static t_UBSEC_diffie_hellman_generate_ioctl
287 *p_UBSEC_diffie_hellman_generate_ioctl = NULL;
288static t_UBSEC_diffie_hellman_agree_ioctl *p_UBSEC_diffie_hellman_agree_ioctl = NULL;
289#endif
290/* #ifndef OPENSSL_NO_RSA */
291static t_UBSEC_rsa_mod_exp_ioctl *p_UBSEC_rsa_mod_exp_ioctl = NULL;
292static t_UBSEC_rsa_mod_exp_crt_ioctl *p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
293/* #endif */
294#ifndef OPENSSL_NO_DSA
295static t_UBSEC_dsa_sign_ioctl *p_UBSEC_dsa_sign_ioctl = NULL;
296static t_UBSEC_dsa_verify_ioctl *p_UBSEC_dsa_verify_ioctl = NULL;
297#endif
298static t_UBSEC_math_accelerate_ioctl *p_UBSEC_math_accelerate_ioctl = NULL;
299static t_UBSEC_rng_ioctl *p_UBSEC_rng_ioctl = NULL;
300static t_UBSEC_max_key_len_ioctl *p_UBSEC_max_key_len_ioctl = NULL;
301
302static int max_key_len = 1024; /* ??? */
303
304/*
305 * These are the static string constants for the DSO file name and the function
306 * symbol names to bind to.
307 */
308
309static const char *UBSEC_LIBNAME = NULL;
310static const char *get_UBSEC_LIBNAME(void)
311 {
312 if(UBSEC_LIBNAME)
313 return UBSEC_LIBNAME;
314 return "ubsec";
315 }
316static void free_UBSEC_LIBNAME(void)
317 {
318 if(UBSEC_LIBNAME)
319 OPENSSL_free((void*)UBSEC_LIBNAME);
320 UBSEC_LIBNAME = NULL;
321 }
322static long set_UBSEC_LIBNAME(const char *name)
323 {
324 free_UBSEC_LIBNAME();
325 return (((UBSEC_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0);
326 }
327static const char *UBSEC_F1 = "ubsec_bytes_to_bits";
328static const char *UBSEC_F2 = "ubsec_bits_to_bytes";
329static const char *UBSEC_F3 = "ubsec_open";
330static const char *UBSEC_F4 = "ubsec_close";
331#ifndef OPENSSL_NO_DH
332static const char *UBSEC_F5 = "diffie_hellman_generate_ioctl";
333static const char *UBSEC_F6 = "diffie_hellman_agree_ioctl";
334#endif
335/* #ifndef OPENSSL_NO_RSA */
336static const char *UBSEC_F7 = "rsa_mod_exp_ioctl";
337static const char *UBSEC_F8 = "rsa_mod_exp_crt_ioctl";
338/* #endif */
339#ifndef OPENSSL_NO_DSA
340static const char *UBSEC_F9 = "dsa_sign_ioctl";
341static const char *UBSEC_F10 = "dsa_verify_ioctl";
342#endif
343static const char *UBSEC_F11 = "math_accelerate_ioctl";
344static const char *UBSEC_F12 = "rng_ioctl";
345static const char *UBSEC_F13 = "ubsec_max_key_len_ioctl";
346
347/* Destructor (complements the "ENGINE_ubsec()" constructor) */
348static int ubsec_destroy(ENGINE *e)
349 {
350 free_UBSEC_LIBNAME();
351 ERR_unload_UBSEC_strings();
352 return 1;
353 }
354
355/* (de)initialisation functions. */
356static int ubsec_init(ENGINE *e)
357 {
358 t_UBSEC_ubsec_bytes_to_bits *p1;
359 t_UBSEC_ubsec_bits_to_bytes *p2;
360 t_UBSEC_ubsec_open *p3;
361 t_UBSEC_ubsec_close *p4;
362#ifndef OPENSSL_NO_DH
363 t_UBSEC_diffie_hellman_generate_ioctl *p5;
364 t_UBSEC_diffie_hellman_agree_ioctl *p6;
365#endif
366/* #ifndef OPENSSL_NO_RSA */
367 t_UBSEC_rsa_mod_exp_ioctl *p7;
368 t_UBSEC_rsa_mod_exp_crt_ioctl *p8;
369/* #endif */
370#ifndef OPENSSL_NO_DSA
371 t_UBSEC_dsa_sign_ioctl *p9;
372 t_UBSEC_dsa_verify_ioctl *p10;
373#endif
374 t_UBSEC_math_accelerate_ioctl *p11;
375 t_UBSEC_rng_ioctl *p12;
376 t_UBSEC_max_key_len_ioctl *p13;
377 int fd = 0;
378
379 if(ubsec_dso != NULL)
380 {
381 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_ALREADY_LOADED);
382 goto err;
383 }
384 /*
385 * Attempt to load libubsec.so/ubsec.dll/whatever.
386 */
387 ubsec_dso = DSO_load(NULL, get_UBSEC_LIBNAME(), NULL, 0);
388 if(ubsec_dso == NULL)
389 {
390 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
391 goto err;
392 }
393
394 if (
395 !(p1 = (t_UBSEC_ubsec_bytes_to_bits *) DSO_bind_func(ubsec_dso, UBSEC_F1)) ||
396 !(p2 = (t_UBSEC_ubsec_bits_to_bytes *) DSO_bind_func(ubsec_dso, UBSEC_F2)) ||
397 !(p3 = (t_UBSEC_ubsec_open *) DSO_bind_func(ubsec_dso, UBSEC_F3)) ||
398 !(p4 = (t_UBSEC_ubsec_close *) DSO_bind_func(ubsec_dso, UBSEC_F4)) ||
399#ifndef OPENSSL_NO_DH
400 !(p5 = (t_UBSEC_diffie_hellman_generate_ioctl *)
401 DSO_bind_func(ubsec_dso, UBSEC_F5)) ||
402 !(p6 = (t_UBSEC_diffie_hellman_agree_ioctl *)
403 DSO_bind_func(ubsec_dso, UBSEC_F6)) ||
404#endif
405/* #ifndef OPENSSL_NO_RSA */
406 !(p7 = (t_UBSEC_rsa_mod_exp_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F7)) ||
407 !(p8 = (t_UBSEC_rsa_mod_exp_crt_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F8)) ||
408/* #endif */
409#ifndef OPENSSL_NO_DSA
410 !(p9 = (t_UBSEC_dsa_sign_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F9)) ||
411 !(p10 = (t_UBSEC_dsa_verify_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F10)) ||
412#endif
413 !(p11 = (t_UBSEC_math_accelerate_ioctl *)
414 DSO_bind_func(ubsec_dso, UBSEC_F11)) ||
415 !(p12 = (t_UBSEC_rng_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F12)) ||
416 !(p13 = (t_UBSEC_max_key_len_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F13)))
417 {
418 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
419 goto err;
420 }
421
422 /* Copy the pointers */
423 p_UBSEC_ubsec_bytes_to_bits = p1;
424 p_UBSEC_ubsec_bits_to_bytes = p2;
425 p_UBSEC_ubsec_open = p3;
426 p_UBSEC_ubsec_close = p4;
427#ifndef OPENSSL_NO_DH
428 p_UBSEC_diffie_hellman_generate_ioctl = p5;
429 p_UBSEC_diffie_hellman_agree_ioctl = p6;
430#endif
431#ifndef OPENSSL_NO_RSA
432 p_UBSEC_rsa_mod_exp_ioctl = p7;
433 p_UBSEC_rsa_mod_exp_crt_ioctl = p8;
434#endif
435#ifndef OPENSSL_NO_DSA
436 p_UBSEC_dsa_sign_ioctl = p9;
437 p_UBSEC_dsa_verify_ioctl = p10;
438#endif
439 p_UBSEC_math_accelerate_ioctl = p11;
440 p_UBSEC_rng_ioctl = p12;
441 p_UBSEC_max_key_len_ioctl = p13;
442
443 /* Perform an open to see if there's actually any unit running. */
444 if (((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) > 0) && (p_UBSEC_max_key_len_ioctl(fd, &max_key_len) == 0))
445 {
446 p_UBSEC_ubsec_close(fd);
447 return 1;
448 }
449 else
450 {
451 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
452 }
453
454err:
455 if(ubsec_dso)
456 DSO_free(ubsec_dso);
457 p_UBSEC_ubsec_bytes_to_bits = NULL;
458 p_UBSEC_ubsec_bits_to_bytes = NULL;
459 p_UBSEC_ubsec_open = NULL;
460 p_UBSEC_ubsec_close = NULL;
461#ifndef OPENSSL_NO_DH
462 p_UBSEC_diffie_hellman_generate_ioctl = NULL;
463 p_UBSEC_diffie_hellman_agree_ioctl = NULL;
464#endif
465#ifndef OPENSSL_NO_RSA
466 p_UBSEC_rsa_mod_exp_ioctl = NULL;
467 p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
468#endif
469#ifndef OPENSSL_NO_DSA
470 p_UBSEC_dsa_sign_ioctl = NULL;
471 p_UBSEC_dsa_verify_ioctl = NULL;
472#endif
473 p_UBSEC_math_accelerate_ioctl = NULL;
474 p_UBSEC_rng_ioctl = NULL;
475 p_UBSEC_max_key_len_ioctl = NULL;
476
477 return 0;
478 }
479
480static int ubsec_finish(ENGINE *e)
481 {
482 free_UBSEC_LIBNAME();
483 if(ubsec_dso == NULL)
484 {
485 UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_NOT_LOADED);
486 return 0;
487 }
488 if(!DSO_free(ubsec_dso))
489 {
490 UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_DSO_FAILURE);
491 return 0;
492 }
493 ubsec_dso = NULL;
494 p_UBSEC_ubsec_bytes_to_bits = NULL;
495 p_UBSEC_ubsec_bits_to_bytes = NULL;
496 p_UBSEC_ubsec_open = NULL;
497 p_UBSEC_ubsec_close = NULL;
498#ifndef OPENSSL_NO_DH
499 p_UBSEC_diffie_hellman_generate_ioctl = NULL;
500 p_UBSEC_diffie_hellman_agree_ioctl = NULL;
501#endif
502#ifndef OPENSSL_NO_RSA
503 p_UBSEC_rsa_mod_exp_ioctl = NULL;
504 p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
505#endif
506#ifndef OPENSSL_NO_DSA
507 p_UBSEC_dsa_sign_ioctl = NULL;
508 p_UBSEC_dsa_verify_ioctl = NULL;
509#endif
510 p_UBSEC_math_accelerate_ioctl = NULL;
511 p_UBSEC_rng_ioctl = NULL;
512 p_UBSEC_max_key_len_ioctl = NULL;
513 return 1;
514 }
515
516static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
517 {
518 int initialised = ((ubsec_dso == NULL) ? 0 : 1);
519 switch(cmd)
520 {
521 case UBSEC_CMD_SO_PATH:
522 if(p == NULL)
523 {
524 UBSECerr(UBSEC_F_UBSEC_CTRL,ERR_R_PASSED_NULL_PARAMETER);
525 return 0;
526 }
527 if(initialised)
528 {
529 UBSECerr(UBSEC_F_UBSEC_CTRL,UBSEC_R_ALREADY_LOADED);
530 return 0;
531 }
532 return set_UBSEC_LIBNAME((const char *)p);
533 default:
534 break;
535 }
536 UBSECerr(UBSEC_F_UBSEC_CTRL,UBSEC_R_CTRL_COMMAND_NOT_IMPLEMENTED);
537 return 0;
538 }
539
540static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
541 const BIGNUM *m, BN_CTX *ctx)
542 {
543 int y_len = 0;
544 int fd;
545
546 if(ubsec_dso == NULL)
547 {
548 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_NOT_LOADED);
549 return 0;
550 }
551
552 /* Check if hardware can't handle this argument. */
553 y_len = BN_num_bits(m);
554 if (y_len > max_key_len) {
555 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
556 return BN_mod_exp(r, a, p, m, ctx);
557 }
558
559 if(!bn_wexpand(r, m->top))
560 {
561 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_BN_EXPAND_FAIL);
562 return 0;
563 }
564
565 if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
566 fd = 0;
567 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
568 return BN_mod_exp(r, a, p, m, ctx);
569 }
570
571 if (p_UBSEC_rsa_mod_exp_ioctl(fd, (unsigned char *)a->d, BN_num_bits(a),
572 (unsigned char *)m->d, BN_num_bits(m), (unsigned char *)p->d,
573 BN_num_bits(p), (unsigned char *)r->d, &y_len) != 0)
574 {
575 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_REQUEST_FAILED);
576 p_UBSEC_ubsec_close(fd);
577
578 return BN_mod_exp(r, a, p, m, ctx);
579 }
580
581 p_UBSEC_ubsec_close(fd);
582
583 r->top = (BN_num_bits(m)+BN_BITS2-1)/BN_BITS2;
584 return 1;
585 }
586
587#ifndef OPENSSL_NO_RSA
588static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
589 {
590 BN_CTX *ctx;
591 int to_return = 0;
592
593 if((ctx = BN_CTX_new()) == NULL)
594 goto err;
595
596 if(!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp)
597 {
598 UBSECerr(UBSEC_F_UBSEC_RSA_MOD_EXP, UBSEC_R_MISSING_KEY_COMPONENTS);
599 goto err;
600 }
601
602 to_return = ubsec_mod_exp_crt(r0, I, rsa->p, rsa->q, rsa->dmp1,
603 rsa->dmq1, rsa->iqmp, ctx);
604 if (to_return == FAIL_TO_SOFTWARE)
605 {
606 /*
607 * Do in software as hardware failed.
608 */
609 const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
610 to_return = (*meth->rsa_mod_exp)(r0, I, rsa);
611 }
612err:
613 if(ctx)
614 BN_CTX_free(ctx);
615 return to_return;
616 }
617#endif
618
619static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
620 const BIGNUM *q, const BIGNUM *dp,
621 const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx)
622 {
623 int y_len,
624 m_len,
625 fd;
626
627 m_len = BN_num_bytes(p) + BN_num_bytes(q) + 1;
628 y_len = BN_num_bits(p) + BN_num_bits(q);
629
630 /* Check if hardware can't handle this argument. */
631 if (y_len > max_key_len) {
632 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
633 return FAIL_TO_SOFTWARE;
634 }
635
636 if (!bn_wexpand(r, p->top + q->top + 1)) {
637 UBSECerr(UBSEC_F_UBSEC_RSA_MOD_EXP_CRT, UBSEC_R_BN_EXPAND_FAIL);
638 return 0;
639 }
640
641 if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
642 fd = 0;
643 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
644 return FAIL_TO_SOFTWARE;
645 }
646
647 if (p_UBSEC_rsa_mod_exp_crt_ioctl(fd,
648 (unsigned char *)a->d, BN_num_bits(a),
649 (unsigned char *)qinv->d, BN_num_bits(qinv),
650 (unsigned char *)dp->d, BN_num_bits(dp),
651 (unsigned char *)p->d, BN_num_bits(p),
652 (unsigned char *)dq->d, BN_num_bits(dq),
653 (unsigned char *)q->d, BN_num_bits(q),
654 (unsigned char *)r->d, &y_len) != 0) {
655 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_REQUEST_FAILED);
656 p_UBSEC_ubsec_close(fd);
657 return FAIL_TO_SOFTWARE;
658 }
659
660 p_UBSEC_ubsec_close(fd);
661
662 r->top = (BN_num_bits(p) + BN_num_bits(q) + BN_BITS2 - 1)/BN_BITS2;
663 return 1;
664}
665
666#ifndef OPENSSL_NO_DSA
667#ifdef NOT_USED
668static int ubsec_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
669 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
670 BN_CTX *ctx, BN_MONT_CTX *in_mont)
671 {
672 BIGNUM t;
673 int to_return = 0;
674
675 BN_init(&t);
676 /* let rr = a1 ^ p1 mod m */
677 if (!ubsec_mod_exp(rr,a1,p1,m,ctx)) goto end;
678 /* let t = a2 ^ p2 mod m */
679 if (!ubsec_mod_exp(&t,a2,p2,m,ctx)) goto end;
680 /* let rr = rr * t mod m */
681 if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
682 to_return = 1;
683end:
684 BN_free(&t);
685 return to_return;
686 }
687
688static int ubsec_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
689 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
690 BN_MONT_CTX *m_ctx)
691 {
692 return ubsec_mod_exp(r, a, p, m, ctx);
693 }
694#endif
695#endif
696
697/*
698 * This function is aliased to mod_exp (with the mont stuff dropped).
699 */
700static int ubsec_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
701 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
702 {
703 int ret = 0;
704
705#ifndef OPENSSL_NO_RSA
706 /* Do in software if the key is too large for the hardware. */
707 if (BN_num_bits(m) > max_key_len)
708 {
709 const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
710 ret = (*meth->bn_mod_exp)(r, a, p, m, ctx, m_ctx);
711 }
712 else
713#endif
714 {
715 ret = ubsec_mod_exp(r, a, p, m, ctx);
716 }
717
718 return ret;
719 }
720
721#ifndef OPENSSL_NO_DH
722/* This function is aliased to mod_exp (with the dh and mont dropped). */
723static int ubsec_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
724 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
725 BN_MONT_CTX *m_ctx)
726 {
727 return ubsec_mod_exp(r, a, p, m, ctx);
728 }
729#endif
730
731#ifndef OPENSSL_NO_DSA
732static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
733 {
734 DSA_SIG *to_return = NULL;
735 int s_len = 160, r_len = 160, d_len, fd;
736 BIGNUM m, *r=NULL, *s=NULL;
737
738 BN_init(&m);
739
740 s = BN_new();
741 r = BN_new();
742 if ((s == NULL) || (r==NULL))
743 goto err;
744
745 d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dlen);
746
747 if(!bn_wexpand(r, (160+BN_BITS2-1)/BN_BITS2) ||
748 (!bn_wexpand(s, (160+BN_BITS2-1)/BN_BITS2))) {
749 UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_BN_EXPAND_FAIL);
750 goto err;
751 }
752
753 if (BN_bin2bn(dgst,dlen,&m) == NULL) {
754 UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_BN_EXPAND_FAIL);
755 goto err;
756 }
757
758 if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
759 const DSA_METHOD *meth;
760 fd = 0;
761 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
762 meth = DSA_OpenSSL();
763 to_return = meth->dsa_do_sign(dgst, dlen, dsa);
764 goto err;
765 }
766
767 if (p_UBSEC_dsa_sign_ioctl(fd, 0, /* compute hash before signing */
768 (unsigned char *)dgst, d_len,
769 NULL, 0, /* compute random value */
770 (unsigned char *)dsa->p->d, BN_num_bits(dsa->p),
771 (unsigned char *)dsa->q->d, BN_num_bits(dsa->q),
772 (unsigned char *)dsa->g->d, BN_num_bits(dsa->g),
773 (unsigned char *)dsa->priv_key->d, BN_num_bits(dsa->priv_key),
774 (unsigned char *)r->d, &r_len,
775 (unsigned char *)s->d, &s_len ) != 0) {
776 const DSA_METHOD *meth;
777
778 UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_REQUEST_FAILED);
779 p_UBSEC_ubsec_close(fd);
780 meth = DSA_OpenSSL();
781 to_return = meth->dsa_do_sign(dgst, dlen, dsa);
782
783 goto err;
784 }
785
786 p_UBSEC_ubsec_close(fd);
787
788 r->top = (160+BN_BITS2-1)/BN_BITS2;
789 s->top = (160+BN_BITS2-1)/BN_BITS2;
790
791 to_return = DSA_SIG_new();
792 if(to_return == NULL) {
793 UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_BN_EXPAND_FAIL);
794 goto err;
795 }
796
797 to_return->r = r;
798 to_return->s = s;
799
800err:
801 if (!to_return) {
802 if (r) BN_free(r);
803 if (s) BN_free(s);
804 }
805 BN_clear_free(&m);
806 return to_return;
807}
808
809static int ubsec_dsa_verify(const unsigned char *dgst, int dgst_len,
810 DSA_SIG *sig, DSA *dsa)
811 {
812 int v_len, d_len;
813 int to_return = 0;
814 int fd;
815 BIGNUM v;
816
817 BN_init(&v);
818
819 if(!bn_wexpand(&v, dsa->p->top)) {
820 UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY ,UBSEC_R_BN_EXPAND_FAIL);
821 goto err;
822 }
823
824 v_len = BN_num_bits(dsa->p);
825
826 d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dgst_len);
827
828 if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
829 const DSA_METHOD *meth;
830 fd = 0;
831 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
832 meth = DSA_OpenSSL();
833 to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
834 goto err;
835 }
836
837 if (p_UBSEC_dsa_verify_ioctl(fd, 0, /* compute hash before signing */
838 (unsigned char *)dgst, d_len,
839 (unsigned char *)dsa->p->d, BN_num_bits(dsa->p),
840 (unsigned char *)dsa->q->d, BN_num_bits(dsa->q),
841 (unsigned char *)dsa->g->d, BN_num_bits(dsa->g),
842 (unsigned char *)dsa->pub_key->d, BN_num_bits(dsa->pub_key),
843 (unsigned char *)sig->r->d, BN_num_bits(sig->r),
844 (unsigned char *)sig->s->d, BN_num_bits(sig->s),
845 (unsigned char *)v.d, &v_len) != 0) {
846 const DSA_METHOD *meth;
847 UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY , UBSEC_R_REQUEST_FAILED);
848 p_UBSEC_ubsec_close(fd);
849
850 meth = DSA_OpenSSL();
851 to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
852
853 goto err;
854 }
855
856 p_UBSEC_ubsec_close(fd);
857
858 to_return = 1;
859err:
860 BN_clear_free(&v);
861 return to_return;
862 }
863#endif
864
865#ifndef OPENSSL_NO_DH
866static int ubsec_dh_compute_key (unsigned char *key,const BIGNUM *pub_key,DH *dh)
867 {
868 int ret = -1,
869 k_len,
870 fd;
871
872 k_len = BN_num_bits(dh->p);
873
874 if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
875 {
876 const DH_METHOD *meth;
877 ENGINEerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
878 meth = DH_OpenSSL();
879 ret = meth->compute_key(key, pub_key, dh);
880 goto err;
881 }
882
883 if (p_UBSEC_diffie_hellman_agree_ioctl(fd,
884 (unsigned char *)dh->priv_key->d, BN_num_bits(dh->priv_key),
885 (unsigned char *)pub_key->d, BN_num_bits(pub_key),
886 (unsigned char *)dh->p->d, BN_num_bits(dh->p),
887 key, &k_len) != 0)
888 {
889 /* Hardware's a no go, failover to software */
890 const DH_METHOD *meth;
891 ENGINEerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_REQUEST_FAILED);
892 p_UBSEC_ubsec_close(fd);
893
894 meth = DH_OpenSSL();
895 ret = meth->compute_key(key, pub_key, dh);
896
897 goto err;
898 }
899
900 p_UBSEC_ubsec_close(fd);
901
902 ret = p_UBSEC_ubsec_bits_to_bytes(k_len);
903err:
904 return ret;
905 }
906
907static int ubsec_dh_generate_key (DH *dh)
908 {
909 int ret = 0,
910 random_bits = 0,
911 pub_key_len = 0,
912 priv_key_len = 0,
913 fd;
914 BIGNUM *pub_key = NULL;
915 BIGNUM *priv_key = NULL;
916
917 /*
918 * How many bits should Random x be? dh_key.c
919 * sets the range from 0 to num_bits(modulus) ???
920 */
921
922 if (dh->priv_key == NULL)
923 {
924 priv_key = BN_new();
925 if (priv_key == NULL) goto err;
926 priv_key_len = BN_num_bits(dh->p);
927 bn_wexpand(priv_key, dh->p->top);
928 do
929 if (!BN_rand_range(priv_key, dh->p)) goto err;
930 while (BN_is_zero(priv_key));
931 random_bits = BN_num_bits(priv_key);
932 }
933 else
934 {
935 priv_key = dh->priv_key;
936 }
937
938 if (dh->pub_key == NULL)
939 {
940 pub_key = BN_new();
941 pub_key_len = BN_num_bits(dh->p);
942 bn_wexpand(pub_key, dh->p->top);
943 if(pub_key == NULL) goto err;
944 }
945 else
946 {
947 pub_key = dh->pub_key;
948 }
949
950 if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
951 {
952 const DH_METHOD *meth;
953 ENGINEerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
954 meth = DH_OpenSSL();
955 ret = meth->generate_key(dh);
956 goto err;
957 }
958
959 if (p_UBSEC_diffie_hellman_generate_ioctl(fd,
960 (unsigned char *)priv_key->d, &priv_key_len,
961 (unsigned char *)pub_key->d, &pub_key_len,
962 (unsigned char *)dh->g->d, BN_num_bits(dh->g),
963 (unsigned char *)dh->p->d, BN_num_bits(dh->p),
964 0, 0, random_bits) != 0)
965 {
966 /* Hardware's a no go, failover to software */
967 const DH_METHOD *meth;
968
969 ENGINEerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_REQUEST_FAILED);
970 p_UBSEC_ubsec_close(fd);
971
972 meth = DH_OpenSSL();
973 ret = meth->generate_key(dh);
974
975 goto err;
976 }
977
978 p_UBSEC_ubsec_close(fd);
979
980 dh->pub_key = pub_key;
981 dh->pub_key->top = (pub_key_len + BN_BITS2-1) / BN_BITS2;
982 dh->priv_key = priv_key;
983 dh->priv_key->top = (priv_key_len + BN_BITS2-1) / BN_BITS2;
984
985 ret = 1;
986err:
987 return ret;
988 }
989#endif
990
991#ifdef NOT_USED
992static int ubsec_rand_bytes(unsigned char * buf,
993 int num)
994 {
995 int ret = 0,
996 fd;
997
998 if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
999 {
1000 const RAND_METHOD *meth;
1001 ENGINEerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
1002 num = p_UBSEC_ubsec_bits_to_bytes(num);
1003 meth = RAND_SSLeay();
1004 meth->seed(buf, num);
1005 ret = meth->bytes(buf, num);
1006 goto err;
1007 }
1008
1009 num *= 8; /* bytes to bits */
1010
1011 if (p_UBSEC_rng_ioctl(fd,
1012 UBSEC_RNG_DIRECT,
1013 buf,
1014 &num) != 0)
1015 {
1016 /* Hardware's a no go, failover to software */
1017 const RAND_METHOD *meth;
1018
1019 ENGINEerr(UBSEC_F_UBSEC_RNG_BYTES, UBSEC_R_REQUEST_FAILED);
1020 p_UBSEC_ubsec_close(fd);
1021
1022 num = p_UBSEC_ubsec_bits_to_bytes(num);
1023 meth = RAND_SSLeay();
1024 meth->seed(buf, num);
1025 ret = meth->bytes(buf, num);
1026
1027 goto err;
1028 }
1029
1030 p_UBSEC_ubsec_close(fd);
1031
1032 ret = 1;
1033err:
1034 return(ret);
1035 }
1036
1037
1038static int ubsec_rand_status(void)
1039 {
1040 return 0;
1041 }
1042#endif
1043
1044/* This stuff is needed if this ENGINE is being compiled into a self-contained
1045 * shared-library. */
1046#ifdef ENGINE_DYNAMIC_SUPPORT
1047static int bind_fn(ENGINE *e, const char *id)
1048 {
1049 if(id && (strcmp(id, engine_ubsec_id) != 0))
1050 return 0;
1051 if(!bind_helper(e))
1052 return 0;
1053 return 1;
1054 }
1055IMPLEMENT_DYNAMIC_CHECK_FN()
1056IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
1057#endif /* ENGINE_DYNAMIC_SUPPORT */
1058
1059#endif /* !OPENSSL_NO_HW_UBSEC */
1060#endif /* !OPENSSL_NO_HW */
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-04-26 20:53:09 +0000